Clamp tool for thin-wall base
By designing the side groove, positioning groove, and bolt fixing structure of the fixture, the problem of deformation during clamping of thin-walled parts was solved, achieving high-precision machining results.
Patent Information
- Application Number
- CN202520523139.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-24
AI Technical Summary
In the existing technology, the clamping method of thin-walled parts is prone to deformation, which cannot meet the requirements of high-precision machining.
A fixture tooling was designed. By setting side grooves, positioning grooves and through holes on the base, the workpiece can be stably fitted and rotated. Bolts are used for fixing to avoid direct clamping and ensure the concentricity of the workpiece and the fixture. The unmachined surface is then machined using a machine tool.
It improves the machining accuracy of thin-walled parts, avoids workpiece deformation, and achieves high-precision machining results.
Smart Images
Figure CN223876580U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the clamping fixture technical field of thin -walled work piece, concretely is the clamping fixture of thin -walled base. BACKGROUND
[0002] A kind of thin-walled part, including processed inner side and to be processed outer side, the machining of above-mentioned part in prior art, usually clamping is clamped in the outer side of thin-walled part, the outer side of part to be processed cannot be processed once, the stress point of part is point-like, it is easy to cause part clamping deformation, cannot satisfy the machining demand of the part of which the machining precision requirement is relatively high.Therefore, in order to not directly clamp part, improve the machining precision of thin-walled part, the clamping fixture is designed. UTILITY MODEL CONTENTS
[0003] The utility model discloses a purpose at providing the clamping fixture of thin -walled base, utilize clamping fixture to support workpiece, through the clamping of clamping fixture, the unprocessed side of workpiece is shown, it is convenient to another side processing of the workpiece, improve the machining precision, avoid directly to workpiece clamping, lead to workpiece deformation.
[0004] The utility model provides following technical scheme: the clamping fixture of thin -walled base, including base, the base is cylindrical, base is used for being machined machine tool clamping, the edge of base is equipped with side slot, the side slot is used for with the side edge of base workpiece inlay, at least one through -hole is equipped on the surface of base, and the bolt is inserted in through -hole, and base workpiece is fixed on base, at least one locating groove is equipped on the base, for base workpiece positioning, the surface of base and the surface of base workpiece are inlaid each other.
[0005] In order to guarantee that base workpiece and clamping fixture rotate together, the locating groove includes first locating groove, second locating groove and third locating groove, the first locating groove, second locating groove and third locating groove are on the same straight line, the first locating groove is the waist type slot, the second locating groove is the bone shape slot, the third locating groove is equipped on the edge, the second locating groove is located the inside of third locating groove, the first locating groove is close to the edge of another side.
[0006] In order to improve the concentricity of clamping fixture and base workpiece, the surface of base is evenly equipped with strip slot in radial direction, the number of strip slot is six, adjacent strip slot is distributed on the two sides of first locating groove and the two sides of second locating groove and third locating groove.
[0007] In order to ensure that base workpiece is installed in place, the edge groove is equipped on the edge of base in strip slot.
[0008] In order to position the base workpiece for installation, a central boss is formed in the center of the base, and strips are formed on both ends of the central boss outward in the diametrical direction.
[0009] To further position the workpiece during installation, an inner fan-shaped platform is formed between the two sides of the strip. The outer diameter of the inner fan-shaped platform and the end of the strip are on the same arc. The top surface height of the inner fan-shaped platform is lower than the top surface height of the central boss.
[0010] To further ensure the concentricity between the base workpiece and the fixture, an annular groove is provided on the outer side of the inner fan-shaped platform, and an outer fan-shaped platform is formed on the outer side of the annular groove.
[0011] Compared with the prior art, the beneficial effects achieved by this utility model are as follows: by opening a side groove on the base, the outer edge of the base workpiece is inserted into the side groove, improving the concentricity of the fixture and the base workpiece; the positioning groove allows the base workpiece and the fixture to rotate together, and the bolts press the base workpiece onto the fixture, exposing the unprocessed surface on the other side of the base workpiece; by clamping the fixture onto the machine tool, the other side of the base workpiece is processed by the machine tool; and by supporting the base workpiece with the fixture, direct clamping of the workpiece is avoided, which would cause workpiece deformation, thus improving the processing accuracy of the workpiece. Attached Figure Description
[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0013] Figure 1 This is a top view of the fixture tooling of this utility model;
[0014] Figure 2 This is a perspective view of the fixture of this utility model;
[0015] In the figure: 1. Fixture tooling; 11. Base; 12. Edge groove; 13. Side groove; 14. Strip groove; 15. Outer fan-shaped platform; 16. Annular groove; 17. Inner fan-shaped platform; 18. Central boss; 181. Strip plate; 19. First positioning groove; 110. Second positioning groove; 111. Third positioning groove; 2. Base workpiece. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Please refer to Figure 1 and Figure 2 The utility model provides technical scheme: clamp frock of thin wall base, including base 11, base 11 is cylindrical, it is convenient to be clamped of machining tool's clamp, the edge of base 11 is equipped with side slot 13, side slot 13 is used for with the edge of base work piece 2 inlay, the concentricity of base work piece 2 and clamp frock 1 is positioned, in this embodiment, the surface of base 11 is equipped with a plurality of through -hole, through -hole is used for splicing bolt in, base work piece 2 is locked on base 11 with bolt and nut, base 11 is equipped with a plurality of positioning groove, the shape of positioning groove is matched with the shape of work piece 2, for base work piece 2 positioning, avoid base work piece 2 to rotate, the surface of base 11 and the surface of base work piece 2 are inlaid each other, when base work piece 2 is processed, first base work piece 2's one side surface is processed, after processing is completed, the finished processing surface is inlaid with clamp frock 1, then bolt is passed through through -hole, base work piece 2 is pressed on clamp frock 1 through the tightening of nut, the other side of base work piece 2 is shown, then the clamp frock 1 is clamped on machining tool, the other side surface of base work piece 2 is processed through machine tool, base work piece 2 is supported using clamp frock 1, improve the processing accuracy, avoid the deformation of base work piece 2 caused by directly clamping base work piece 2.
[0018] Positioning groove includes first positioning groove 19, second positioning groove 110 and third positioning groove 111, first positioning groove 19, second positioning groove 110 and third positioning groove 111 are on the same straight line, first positioning groove 19 is the waist type slot, second positioning groove 110 is the bone shape slot, third positioning groove 111 is equipped on the edge, second positioning groove 110 is located in the inside of third positioning groove 111, first positioning groove 19 is close to the edge of the other side, through the cooperation of first positioning groove 19, second positioning groove 110 and third positioning groove 111 and base work piece 2, base work piece 2 and clamp frock 1 can rotate synchronously, improve the concentricity of both.
[0019] The surface of base 11 is evenly equipped with strip slot 14 in the radial direction, the number of strip slot 14 is six, adjacent strip slot 14 is distributed on the both sides of first positioning groove 19 and the both sides of second positioning groove 110 and third positioning groove 111, through the cooperation of strip slot 14 and base work piece 2, further guarantee the concentricity between clamp frock 1 and base work piece 2.
[0020] Edge groove 12 is equipped on the edge of base 11 in strip slot 14, the bottom surface height of edge groove 12 is lower than the bottom surface height of strip slot 14, and the edge groove 12 is used for installing and positioning the base work piece 2.
[0021] The center of the base 11 is formed with a center boss 18, and the two ends of the center boss 18 are formed with a strip plate 181 outward in the diameter direction, which is used for positioning the base workpiece 2.
[0022] The two strip plates 181 are formed with an inner fan-shaped table 17 between them, the outer diameter of the inner fan-shaped table 17 and the end of the strip plate 181 are on the same circular arc, and the top surface height of the inner fan-shaped table 17 is lower than that of the center boss 18. Through the cooperation of the inner fan-shaped table 17 and the center boss 18 with the base workpiece 2, the base workpiece 2 is positioned.
[0023] The outer side of the inner fan-shaped table 17 is provided with an annular groove 16, and the outer side of the annular groove 16 is formed with an outer fan-shaped table 15. The annular groove 16 is located between the inner fan-shaped table 17 and the outer fan-shaped table 15, and through the insertion of the annular groove 16 and the base workpiece 2, the concentricity of the base workpiece 2 is further ensured.
[0024] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A fixture tooling for thin-walled bases comprising a base, characterised in that: The base is cylindrical, and the base is used to be clamped by a machining machine tool, a side slot is arranged on the edge of the base, the side slot is used to be embedded with the side of the base workpiece, at least one through hole is arranged on the surface of the base, a bolt is inserted in the through hole, the base workpiece is fixed on the base, at least one positioning slot is arranged on the base, the base workpiece is positioned, and the surface of the base is embedded with the surface of the base workpiece.
2. The thin-walled base clamp tool of claim 1, wherein: The positioning slot comprises a first positioning slot, a second positioning slot and a third positioning slot, the first positioning slot, the second positioning slot and the third positioning slot are on the same straight line, the first positioning slot is a waist-shaped slot, the second positioning slot is a bone-shaped slot, the third positioning slot is arranged on the edge, the second positioning slot is located on the inner side of the third positioning slot, and the first positioning slot is arranged on the edge close to the other side.
3. The thin-walled base clamp tool of claim 2, wherein: The surface of the base is uniformly provided with strip-shaped slots in the radial direction, the number of the strip-shaped slots is six, and adjacent strip-shaped slots are distributed on both sides of the first positioning slot and on both sides of the second positioning slot and the third positioning slot.
4. The thin-walled base clamp tool of claim 3, wherein: The strip-shaped slot is provided with an edge slot on the edge of the base.
5. The thin-walled base clamp tool of claim 1, wherein: The center of the base is formed with a center boss, and the two ends of the center boss are outwardly formed with strip plates in the diameter direction.
6. The thin-walled base clamp tool of claim 5, wherein: A inner fan-shaped table is formed between the two strip plates, the outer diameter of the inner fan-shaped table and the end of the strip plate are on the same circular arc, and the top surface height of the inner fan-shaped table is lower than the top surface height of the center boss.
7. The thin-walled base clamp tool of claim 6, wherein: An annular groove is arranged on the outer side of the inner fan-shaped table, and an outer fan-shaped table is formed on the outer side of the annular groove.